2. / Columbia Encyclopedia
  3. / Earth and the Environment
  4. / Minerals, Mining, and Metallurgy
  5. / Metallurgy and Mining: Terms and Concepts
  6. / platinite

platinite

platinite, alloy that is 46% nickel and 54% iron. It is used in the manufacture of electric lightbulbs because its coefficient of expansion, i.e., the rate at which its volume increases with temperature, is the same as that of glass.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2024, Columbia University Press. All rights reserved.

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